EP3279550B1 - Dispositif à rétro-éclairage à contrôle partiel et dispositif d'affichage d'image l'utilisant - Google Patents

Dispositif à rétro-éclairage à contrôle partiel et dispositif d'affichage d'image l'utilisant Download PDF

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Publication number
EP3279550B1
EP3279550B1 EP16857064.6A EP16857064A EP3279550B1 EP 3279550 B1 EP3279550 B1 EP 3279550B1 EP 16857064 A EP16857064 A EP 16857064A EP 3279550 B1 EP3279550 B1 EP 3279550B1
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EP
European Patent Office
Prior art keywords
phosphor
light
wavelength
sheet
type backlight
Prior art date
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Active
Application number
EP16857064.6A
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German (de)
English (en)
Other versions
EP3279550A4 (fr
EP3279550A1 (fr
Inventor
Koichi Kishimoto
Yasushi Ito
Tomomitsu Hori
Noritaka Sato
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Dexerials Corp
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Dexerials Corp
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Application filed by Dexerials Corp filed Critical Dexerials Corp
Publication of EP3279550A1 publication Critical patent/EP3279550A1/fr
Publication of EP3279550A4 publication Critical patent/EP3279550A4/fr
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C09K11/562—Chalcogenides
    • C09K11/567—Chalcogenides with alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
    • C09K11/617—Silicates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
    • C09K11/621—Chalcogenides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7774—Aluminates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/16—Covers for frames; Frameless shades characterised by the material
    • F21V1/17—Covers for frames; Frameless shades characterised by the material the material comprising photoluminescent substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/08—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material comprising photoluminescent substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
    • F21V3/12—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/10—Refractors for light sources comprising photoluminescent material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • F21V7/26—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material the material comprising photoluminescent substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F21V7/30—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F21V9/38—Combination of two or more photoluminescent elements of different materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
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    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/44—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/44—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
    • H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/09—Function characteristic transflective

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Led Device Packages (AREA)
  • Luminescent Compositions (AREA)
  • Optical Filters (AREA)

Claims (9)

  1. Dispositif à rétroéclairage du type à attaque partielle, comprenant :
    un châssis (51, 151) ayant une surface inférieure et des parois latérales s'étendant perpendiculaires à la surface inférieure à une périphérie de la surface inférieure,
    une source lumineuse d'excitation qui est formée d'une pluralité d'éléments électroluminescents (10, 10B, 10M) et qui peut être attaquée partiellement ;
    une feuille de phosphore (20, 120) disposée à une position séparée de la source lumineuse d'excitation et contenant un phosphore qui convertit au moins une partie d'une région de longueur d'onde de lumière incidente de la source lumineuse d'excitation et relâche une lumière émise dans une région de longueur d'onde différant de la lumière incidente ; et
    un film réflecteur sélectif de longueur d'onde (30, 130) qui est disposé entre la source lumineuse d'excitation et la feuille de phosphore et qui transmet au moins une partie de la lumière dans la région de longueur d'onde de la lumière incidente de la source lumineuse d'excitation et réfléchit au moins une partie de la lumière dans la région de longueur d'onde de la lumière émise de la feuille de phosphore,
    dans lequel
    la pluralité d'éléments électroluminescents sont fournis dans un réseau en forme de grille sur la surface inférieure du châssis,
    la feuille de phosphore comprend une couche de phosphore (21) contenant du phosphore et un film protecteur (22) pour protéger la couche de phosphore, le film protecteur étant disposé sur le côté de la couche de phosphore opposé au film réflecteur sélectif de longueur d'onde,
    la couche de phosphore et le film réflecteur sélectif de longueur d'onde sont joints directement de telle sorte que la feuille de phosphore et le film réflecteur sélectif de longueur d'onde forment une feuille intégrée (25, 125), et
    les parois latérales du châssis sont utilisées comme une pièce d'écartement pour positionner la feuille intégrée parallèle à la surface inférieure du châssis.
  2. Dispositif de rétroéclairage du type à attaque partielle selon la revendication 1, comprenant en outre une plaque de diffusion (40, 140) disposée entre la source lumineuse d'excitation et la feuille intégrée, dans lequel les parois latérales du châssis sont utilisées comme une pièce d'écartement pour positionner la plaque de diffusion parallèle à la surface inférieure du châssis.
  3. Dispositif de rétroéclairage du type à attaque partielle selon la revendication 1 ou la revendication 2, dans lequel les éléments électroluminescents sont des DEL bleues, qui ont une longueur d'onde d'émission de lumière centrale de 440 nm à 475 nm.
  4. Dispositif de rétroéclairage du type à attaque partielle selon la revendication 1 ou la revendication 2, dans lequel
    les éléments électroluminescents sont des DEL magenta, les DEL magenta étant formées chacune d'une DEL bleue, qui a une longueur d'onde d'émission de lumière centrale de 440 nm à 475 nm, et d'un phosphore rouge, qui a une longueur d'onde d'émission de lumière centrale de 600 nm à 680 nm, disposés sur une surface supérieure de puce de la DEL bleue.
  5. Dispositif de rétroéclairage du type à attaque partielle selon la revendication 4, dans lequel le phosphore rouge est un phosphore de fluorure électroluminescent.
  6. Dispositif de rétroéclairage du type à attaque partielle selon la revendication 5, dans lequel le phosphore de fluorure électroluminescent est du K2SiF6.
  7. Dispositif de rétroéclairage du type à attaque partielle selon l'une quelconque des revendications 1 à 6, dans lequel le phosphore de la feuille de phosphore est du phosphore de sulfure.
  8. Dispositif de rétroéclairage du type à attaque partielle selon l'une quelconque des revendications 1 à 7, dans lequel le phosphore de la feuille de phosphore est un phosphore de grenat d'yttrium et d'aluminium dopé au cérium.
  9. Dispositif d'affichage d'images comprenant le dispositif de rétroéclairage du type à attaque partielle selon l'une quelconque des revendications 1 à 8.
EP16857064.6A 2015-10-23 2016-08-09 Dispositif à rétro-éclairage à contrôle partiel et dispositif d'affichage d'image l'utilisant Active EP3279550B1 (fr)

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JP2015209126 2015-10-23
JP2016100772A JP6092446B1 (ja) 2015-10-23 2016-05-19 部分駆動型光源装置及びそれを用いた画像表示装置
PCT/JP2016/003679 WO2017068740A1 (fr) 2015-10-23 2016-08-09 Dispositif source de lumière du type à attaque partielle et dispositif d'affichage d'image l'utilisant

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Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018212266A1 (fr) * 2017-05-19 2018-11-22 富士フイルム株式会社 Unité de rétroéclairage et dispositif d'affichage à cristaux liquides
JP7082273B2 (ja) * 2017-07-21 2022-06-08 日亜化学工業株式会社 発光装置、集積型発光装置および発光モジュール
WO2019067095A1 (fr) * 2017-09-26 2019-04-04 Apple Inc. Dispositifs électroniques dotés d'afficheurs à unités de rétroéclairage à éclairage direct
US10955593B2 (en) 2017-09-27 2021-03-23 Toray Industries, Inc. Light source unit
JP7174216B2 (ja) * 2017-10-23 2022-11-17 日亜化学工業株式会社 発光モジュールおよび集積型発光モジュール
JP2019120874A (ja) * 2018-01-10 2019-07-22 シャープ株式会社 表示装置
WO2019177755A1 (fr) * 2018-03-13 2019-09-19 Apple Inc. Dispositifs d'affichage à unités de rétroéclairage à éclairage direct
US11561433B2 (en) 2018-06-22 2023-01-24 Sakai Display Products Corporation Liquid crystal display device having liquid display panel and backlight device emitting light toward back surface of liquid crystal display panel, and method for producing same
KR102600152B1 (ko) * 2018-09-07 2023-11-09 엘지이노텍 주식회사 조명 장치 및 이를 포함하는 리어 램프
US11442218B2 (en) * 2019-02-15 2022-09-13 Intematix Corporation Color liquid crystal displays and display backlights
US11714153B2 (en) 2019-05-29 2023-08-01 Nvision Solutions, Inc. Remote controlled navigation/locator beacon system
CN112147813B (zh) 2019-06-26 2024-03-19 中强光电股份有限公司 光源模块以及显示装置
JP7339844B2 (ja) 2019-10-21 2023-09-06 シャープ株式会社 バックライト装置および液晶表示装置
JP7280804B2 (ja) 2019-10-24 2023-05-24 浜松ホトニクス株式会社 固浸レンズユニット及び半導体検査装置
US11804580B2 (en) 2019-11-04 2023-10-31 Sharp Kabushiki Kaisha Lighting device and method of producing light source substrate
US11747540B2 (en) 2019-11-12 2023-09-05 Lg Electronics Inc. Display device including flat lighting device
KR20210059553A (ko) 2019-11-15 2021-05-25 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
WO2023007303A1 (fr) * 2021-07-30 2023-02-02 3M Innovative Properties Company Film optique et système d'affichage le comportant
CN114675451B (zh) * 2022-04-24 2023-10-20 京东方科技集团股份有限公司 一种光学模组、拼接显示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004068597A2 (fr) * 2003-01-27 2004-08-12 3M Innovative Properties Company Sources lumineuses a base de phosphore faisant intervenir la reflexion interne totale
WO2006007109A1 (fr) * 2004-06-30 2006-01-19 3M Innovative Properties Company Systeme d'eclairage a base de phosphore comprenant un reflecteur a transmission courte et son procede de production
EP2068193A2 (fr) * 2007-12-07 2009-06-10 Sony Corporation Appareil d'éclairage, dispositif de conversion de couleur, et appareil d'affichage

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4451178B2 (ja) * 2004-03-25 2010-04-14 スタンレー電気株式会社 発光デバイス
JP2007081234A (ja) 2005-09-15 2007-03-29 Toyoda Gosei Co Ltd 照明装置
JP2009021426A (ja) * 2007-07-12 2009-01-29 Sharp Corp チップ部品型ｌｅｄ及びその製造方法
KR100932978B1 (ko) * 2007-11-28 2009-12-21 삼성에스디아이 주식회사 백색 형광체, 이를 이용하는 발광 장치, 및 이 발광 장치를백 라이트 유닛으로 사용하는 액정 표시 장치
JP5211667B2 (ja) * 2007-12-07 2013-06-12 ソニー株式会社 照明装置及び表示装置
JP2009283438A (ja) * 2007-12-07 2009-12-03 Sony Corp 照明装置、表示装置、照明装置の製造方法
JP5280106B2 (ja) 2007-12-07 2013-09-04 デクセリアルズ株式会社 光源装置および表示装置
JP2010019958A (ja) * 2008-07-09 2010-01-28 Sony Corp 液晶表示パネル、液晶表示モジュールおよび液晶表示装置
JP5717949B2 (ja) 2009-01-26 2015-05-13 デクセリアルズ株式会社 光学部材および表示装置
JP2010225373A (ja) * 2009-03-23 2010-10-07 Sony Corp 色変換シート、照明装置および表示装置
TW201039467A (en) 2009-04-24 2010-11-01 Formosa Epitaxy Inc Luminous element with selective reflection
KR101558598B1 (ko) * 2009-10-19 2015-10-07 엘지이노텍 주식회사 광학 필름 및 그 제조방법
US20120012864A1 (en) 2010-07-14 2012-01-19 Suning Xie Led array package with a color filter
JP5640681B2 (ja) * 2010-11-11 2014-12-17 ソニー株式会社 情報処理装置、立体視表示方法及びプログラム
KR20120050720A (ko) * 2010-11-11 2012-05-21 엘지전자 주식회사 개선된 ｌｅｄ 백라이트 유닛 및 디스플레이 장치
JP5682287B2 (ja) * 2010-12-17 2015-03-11 富士ゼロックス株式会社 画像形成装置
WO2012128323A1 (fr) 2011-03-22 2012-09-27 株式会社ニコン Élément optique, appareil d'éclairage, appareil de mesure, masque photographique, procédé d'exposition, et procédé de fabrication de dispositif
US20120327649A1 (en) * 2011-06-24 2012-12-27 Xicato, Inc. Led based illumination module with a lens element
JP5754322B2 (ja) * 2011-09-21 2015-07-29 日本電気硝子株式会社 発光体封入用毛細管及び波長変換部材
US8834004B2 (en) * 2012-08-13 2014-09-16 3M Innovative Properties Company Lighting devices with patterned printing of diffractive extraction features
CN102830539B (zh) * 2012-09-06 2015-09-02 京东方科技集团股份有限公司 液晶显示装置
CN104919364B (zh) 2013-01-16 2017-11-14 夏普株式会社 反射镜显示器、半反射镜板和电子设备
KR102062687B1 (ko) * 2013-01-23 2020-01-06 엘지전자 주식회사 양자점 복합 필름 및 이를 이용한 백라이트 유닛
US9704834B2 (en) * 2013-05-28 2017-07-11 Sharp Kabushiki Kaisha Method for manufacturing light-emitting device
JP6119490B2 (ja) * 2013-07-31 2017-04-26 ソニー株式会社 光源装置、および表示装置
US20150037808A1 (en) * 2013-08-01 2015-02-05 Michael Donaty System and Method for Ultrasonic Sample Preparation
JP6230974B2 (ja) 2013-08-26 2017-11-15 富士フイルム株式会社 光変換部材、バックライトユニット、および液晶表示装置、ならびに光変換部材の製造方法
CN106461992A (zh) * 2014-05-14 2017-02-22 夏普株式会社 背光源装置和具备该背光源装置的液晶显示装置
CN105278157B (zh) * 2014-06-27 2020-04-28 富士胶片株式会社 背光单元及液晶显示装置
JP2016057338A (ja) * 2014-09-05 2016-04-21 株式会社ジャパンディスプレイ 表示装置及び光源装置
CN105423238B (zh) * 2014-09-11 2017-05-10 松下知识产权经营株式会社 波长变换部件、发光装置、投影机、以及波长变换部件的制造方法
US10261360B2 (en) * 2014-10-10 2019-04-16 Sharp Kabushiki Kaisha Liquid crystal display apparatus
US20160161650A1 (en) * 2014-12-05 2016-06-09 Pixtronix, Inc. Displays with selective reflectors and color conversion material
TWI539209B (zh) * 2015-04-09 2016-06-21 友達光電股份有限公司 背光模組
US9656792B2 (en) * 2015-05-20 2017-05-23 Terry Awalt Produce display pad
CN105117209B (zh) * 2015-07-27 2019-02-12 小米科技有限责任公司 应用交互方法和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004068597A2 (fr) * 2003-01-27 2004-08-12 3M Innovative Properties Company Sources lumineuses a base de phosphore faisant intervenir la reflexion interne totale
WO2006007109A1 (fr) * 2004-06-30 2006-01-19 3M Innovative Properties Company Systeme d'eclairage a base de phosphore comprenant un reflecteur a transmission courte et son procede de production
EP2068193A2 (fr) * 2007-12-07 2009-06-10 Sony Corporation Appareil d'éclairage, dispositif de conversion de couleur, et appareil d'affichage

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KR20180110221A (ko) 2018-10-08
KR102089467B1 (ko) 2020-03-17
CN107960116A (zh) 2018-04-24
CN110333629A (zh) 2019-10-15
US10690961B2 (en) 2020-06-23
WO2017068740A1 (fr) 2017-04-27
US20190369441A1 (en) 2019-12-05
CN107960116B (zh) 2019-08-16
JP2017084761A (ja) 2017-05-18
US10423030B2 (en) 2019-09-24
EP3279550A1 (fr) 2018-02-07
JP6178027B2 (ja) 2017-08-09
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KR102236731B1 (ko) 2021-04-06
US20180292712A1 (en) 2018-10-11

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